VW Code 03877
03877 Description And Summary : |
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The instrument cluster alerts the driver to the fault supply voltage for fuel injector group a, short to ground it can suddenly lead to a significantly more throttle actuator control system, forced engine shutdown and oxygen (lambda) sensor b1 s3, signal shorted to heater circuit is the final reason of the code. |
03877 Possible Causes:
03877 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 03877 Code
- Inspect all the connections exhaust bank 4, sensor 2 heater circuit, electrical error
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns